(in-package irc-logger)
+(defvar *daemon-monitor-process* nil "Process of background monitor.")
+
(defclass channel ()
((name :initarg :name :reader name
:documentation "Name of channel.")
(defclass logger ()
((connection :initarg :connection :reader connection
:documentation "IRC connection object.")
+ (handler :initform nil :accessor handler
+ :documentation "Background handler process.")
(nick :initarg :nick :reader nickname
:documentation "Nickname of the bot.")
(password :initarg :password :reader password
:documentation "Nickname's nickserver password.")
(server :initarg :server :reader server
:documentation "Connected IRC server.")
+ (channel-names :initarg :channel-names :accessor channel-names
+ :documentation "List of channel names.")
+ (realname :initarg :realname :reader realname
+ :documentation "Realname for cl-irc")
+ (username :initarg :username :reader username
+ :documentation "Username for cl-irc")
+ (logging-stream :initarg :logging-stream :reader logging-stream
+ :documentation "logging-stream for cl-irc.")
(channels :initarg :channels :accessor channels
:documentation "List of channels.")
(user-output :initarg :user-output :reader user-output
:documentation "T if user-output is directory for individual channel output.")
(formats :initarg :formats :reader formats
:documentation
- "A list of output formats.")))
+ "A list of output formats.")
+ (warning-message-utime :initform nil :accessor warning-message-utime
+ :documentation
+ "Time of last, potentially active, warning message.")))
(defvar *loggers* nil "List of active loggers.")
(defmethod log-file-path (output-root channel-name year month day (format (eql :text)))
(%log-file-path output-root channel-name year month day "txt"))
+(defmethod log-file-path (output-root channel-name year month day (format string))
+ (%log-file-path output-root channel-name year month day format))
+
(defun log-file-path-utime (output-root channel-name format utime)
(multiple-value-bind
(setf (get-stream channel istream)
(open (user-output logger) :direction :output :if-exists :append)))))))
+(defun format-date-time (utime)
+ (multiple-value-bind
+ (second minute hour day-of-month month year day-of-week daylight-p zone)
+ (decode-universal-time utime)
+ (declare (ignore day-of-week daylight-p zone))
+ (format nil "~4,'0D/~2,'0D/~2,'0D ~2,'0D:~2,'0D:~2,'0D" year month day-of-month hour minute second)))
+
(defun format-utime (utime)
(multiple-value-bind
(second minute hour day-of-month month year day-of-week daylight-p zone)
(declare (ignore day-of-month month year day-of-week daylight-p zone))
(format nil "~2,'0D:~2,'0D:~2,'0D" hour minute second)))
-(defun format-utime-short(utime)
+(defun format-utime-short (utime)
(multiple-value-bind
(second minute hour day-of-month month year day-of-week daylight-p zone)
(decode-universal-time utime)
(format stream "~S~%" (string-right-trim '(#\return)
(raw-message-string msg))))
+(defun last-sexp-field (type msg)
+ (cond
+ ((null msg)
+ nil)
+ ((eq type :kick)
+ (trailing-argument msg))
+ ((need-user-address? type)
+ (user-address msg))))
+
(defmethod %output-event ((format (eql :sexp)) stream utime type channel source text
msg unichannel)
(if unichannel
- (format stream "(~S ~S ~S ~S ~S)~%" utime type source text
- (when (need-user-address? type) (user-address msg)))
- (format stream "(~S ~S ~S ~S ~S ~S)~%" utime type source channel
- text (when (need-user-address? type) (user-address msg)))))
+ (format stream "(~S ~S ~S ~S ~S)~%" utime type source text (last-sexp-field type msg))
+ (format stream "(~S ~S ~S ~S ~S ~S)~%" utime type source channel text
+ (last-sexp-field type msg))))
(defmethod %output-event ((format (eql :text)) stream utime type channel source text
msg unichannel)
(when (and (null unichannel) channel)
(format stream "[~A] " channel))
- (let ((user-address (when (need-user-address? type) (user-address msg))))
+ (let ((user-address (when (and msg (need-user-address? type)) (user-address msg))))
(case type
(:privmsg
(format stream "<~A> ~A" source text))
(format stream "-!- ~A changed the topic of ~A to: ~A" source channel text))
(:notice
(format stream "-~A:~A- ~A" source channel text))
+ (:daemon
+ (format stream "-!!!- ~A" text))
+ (:server
+ (format stream "-!!!- server send message ~A" source channel text))
+ (:unhandled
+ (format stream "-!!!- ~A" text))
(t
(warn "Unhandled msg type ~A." type))))
(write-char #\Newline stream))
(unichannel logger))
(force-output (get-stream channel istream)))
+(defun log-daemon-message (logger fmt &rest args)
+ (let ((text (apply #'format nil fmt args))
+ (time (get-universal-time)))
+ (dolist (channel (channels logger))
+ (dotimes (istream (formats logger))
+ (ensure-output-stream time logger channel istream)
+ (%output-event (get-format logger istream) (get-stream channel istream)
+ time :daemon nil nil text nil
+ (unichannel logger))
+ (force-output (get-stream channel istream))))))
+
+(defvar *msg*)
(defun output-event (msg type channel-name &optional text)
+ (setq *msg* msg)
(dolist (logger *loggers*)
(case type
((:quit :nick)
- (dolist (channel (channels logger))
- (dotimes (i (length (formats logger)))
- (output-event-for-a-stream msg type channel text logger i))))
+ (let* ((user (find-user (connection logger)
+ (case type
+ (:nick (source msg))
+ (:quit (source msg)))))
+ (channels (when user (cl-irc::channels user))))
+ (dolist (channel (mapcar
+ #'(lambda (name) (find-channel-with-name logger name))
+ (mapcar #'cl-irc::name channels)))
+ (when channel
+ (dotimes (i (length (formats logger)))
+ (output-event-for-a-stream msg type channel text logger i))))))
+ (:server
+ (dolist (channel (channels logger))
+ (dotimes (i (length (formats logger)))
+ (output-event-for-a-stream msg type channel text logger i))))
(t
(let* ((channel (find-channel-with-name logger channel-name)))
(when channel
(and (pathnamep user-output) (null (pathname-name user-output))))
(defun create-logger (nick server &key channels output password
- (logging-stream t) (formats '(:text)))
+ realname username
+ (logging-stream t) (formats '(:text)))
"OUTPUT may be a pathname or a stream"
;; check arguments
(assert formats)
(setq formats (list formats)))
(if (stringp output)
(setq output (parse-namestring output)))
- (let* ((conn (connect :nickname nick :server server
+ (let* ((conn (connect :nickname nick :server server
+ :username username :realname realname
:logging-stream logging-stream))
(logger (make-instance
'logger
:password password
:server server
:channels (make-channels channels formats output)
+ :channel-names channels
+ :username username
+ :realname realname
+ :logging-stream logging-stream
:user-output output
:formats formats
:unichannel (is-unichannel-output output))))
(add-hook conn 'irc::irc-mode-message 'mode-hook)
(add-hook conn 'irc::irc-topic-message 'topic-hook)
(add-hook conn 'irc::irc-notice-message 'notice-hook)
+ (add-hook conn 'irc::irc-rpl_killdone-message 'warning-hook)
+ (add-hook conn 'irc::irc-rpl_closing-message 'warning-hook)
+ (unless *daemon-monitor-process*
+ (setq *daemon-monitor-process* (cl-irc::start-process 'daemon-monitor "logger-monitor")))
logger))
(defun start-logger (logger async)
(if async
- (start-background-message-handler (connection logger))
+ (setf (handler logger)
+ (start-background-message-handler (connection logger)))
(read-message-loop (connection logger))))
(defun remove-logger (nick)
nil)
(t
(irc:quit (connection logger))
+ (stop-background-message-handler (handler logger))
(sleep 1)
(dolist (channel (channels logger))
- (remove-channel logger (name channel)))
+ (let ((c (connection logger)))
+ (when c
+ (ignore-errors (remove-channel c (find-channel c (name channel)))))))
(setq *loggers*
(delete nick *loggers* :test #'string-equal :key #'nickname))
t))))
(defun add-logger (nick server &key channels output (password "")
+ realname username
(logging-stream t) (async t) (formats '(:text)))
(when (find-logger-with-nick nick)
(warn "Closing previously active connection.")
(remove-logger nick))
(let ((logger (create-logger nick server :channels channels :output output
:logging-stream logging-stream :password password
+ :realname realname :username username
:formats formats)))
(push logger *loggers*)
(start-logger logger async)
(t
(let ((channel (make-a-channel channel-name (formats logger) (user-output logger))))
(join (connection logger) channel-name)
- (push channel (channels logger))))))
+ (push channel (channels logger))
+ (push channel-name (channel-names logger))))))
(defun remove-channel-logger (logger channel-name)
(let ((channel (find-channel-with-name logger channel-name)))
(setf (channels logger) (delete channel-name (channels logger)
:test #'string-equal
:key #'name))
+ (setf (channel-names logger) (delete channel-name (channel-names logger)
+ :test #'string-equal))
t)
(t
(warn "Channel name ~A not found in logger ~A."
(defun remove-hook-logger (logger class hook)
(remove-hook (connection logger) class hook))
+
+(defvar *warning-message-utime* nil)
+
+(defun warning-hook (msg)
+ (let ((logger (find-logger-with-connection (connection msg))))
+ (output-event msg :server
+ (format nil "~{~A~^ ~} ~A)"
+ (arguments msg)
+ (trailing-argument msg)))
+ (when logger
+ (setf (warning-message-utime logger) (get-universal-time)))))
+
+(defun daemon-sleep (seconds)
+ #-allegro (sleep seconds)
+ #+allegro (mp:process-sleep seconds))
+
+(defun log-disconnection (logger)
+ ;; avoid generating too many reconnect messages in the logs
+ (when (< (- (get-universal-time) (warning-message-utime logger)) 300)
+ (log-daemon-message logger "Disconnected. Attempting reconnection at ~A."
+ (format-date-time (get-universal-time)))))
+
+(defun log-reconnection (logger)
+ (log-daemon-message logger
+ "Connection restablished at ~A." (format-date-time (get-universal-time))))
+
+(defun attempt-reconnection (logger)
+ (log-disconnection logger)
+ (setf (connection logger) nil)
+ (let ((connection (connect :nickname (nickname logger)
+ :server (server logger)
+ :channel-names (channel-names logger)
+ :username (username logger)
+ :realname (realname logger)
+ :logging-stream (logging-stream logger))))
+ (when (and connection (cl-irc::connectedp connection))
+ (setf (connection logger) connection)
+ (log-reconnection logger)
+ t)))
+
+(defun daemon-monitor ()
+ "This function runs in the background and monitors the connection of the logger."
+ ;; run forever
+ (do ()
+ ()
+ (dolist (logger *loggers*)
+ (do ((conn (connection logger))
+ (warning-time (warning-message-utime logger) (warning-message-utime logger)))
+ (warning-time)
+ (cond
+ ((> (- (get-universal-time) warning-time) 180)
+ ;;give up frequent checking because no disconnection despite waiting
+ (setf (warning-message-utime logger) nil))
+ ((not (cl-irc::connectedp conn))
+ (unless warning-time
+ (setf (warning-message-utime logger) (get-universal-time)))
+ (attempt-reconnection logger))
+ (t
+ (daemon-sleep 30)))))
+ (daemon-sleep 600)))